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An alternative choice is the USB charger. With this sort, you don’t even need an outlet — the charger attracts energy out of your pc’s USB port. So if you are sitting at a espresso store with a totally juiced laptop computer and a dead cellphone, you possibly can merely use one to energy the opposite.

Does it sound onerous to believe you can get all of your work done in just 32 hours? Possibly not. Based on a survey of U.Okay. office workers, the average number of really productive hours in an eight-hour day is two hours and fifty three minutes. Less than three hours of real work out of eight hours in the workplace.

None of this sensible grid modernization will likely be cheap. It could take practically half a trillion dollars to upgrade our current grid [source: U.S. Department of Energy]. But with some hard work and clever design, there might be much less downtime and larger efficiency because of the engineers who carry our elderly grid into the age of the Web.